There Is No Media Output In A Specific Folder After Finishing My Render
In blender, animation renders/videos are automatically saved in the output folder location. But image renders are not. This is probably because, many a time we test render a scene to see how things are shaping up and we don't want to clutter our output folder. 

In-order to save a rendered image manually, after the rendering is done, go to image editor.You can do this by clicking on bottom right dropdown of any window and clicking UV/Image editor as shown. 
Once you are in this window, you can click on image menu and click 'save as image'as shown. 
Alternatively, you can just press F3 key without even accessing the image editor window. Doing any of these, will direct you to a screen that asks you to select the folder location to save.

If you want the image to be saved automatically, you can use the following addon. https://github.com/elfnor/blender_auto_save_on_render

Please note that I didn't write this add-on. I only came across this while searching.